| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polymer electrolytic film for a fuel battery capable of maintaining a stable capability for a long period, and a manufacturing method for the polymer electrolytic film. <P>SOLUTION: The polymer electrolytic film for the fuel battery contains at least one type of basic polymer, and an acidic dopant. The dimension change rate of the electrolytic film in a planar direction in transition from a hydrous state to a dry state is 5% or less. <P>COPYRIGHT: (C)2008,JPO&INPIT |
